Subtract 90/25 from 30/84
1st number: 30/84, 2nd number: 3 15/25
30/84 - 90/25 is -227/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
30/84 = 30 × 25/84 × 25 = 750/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Subtract the two like fractions:
750/2100 - 7560/2100 = 750 - 7560/2100 = -6810/2100 - After reducing the fraction, the answer is -227/70
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